function [X_norm, mu, sigma] = featureNormalize(X)
	%	Copy the values from the X
	X_norm = X;
	%	Compute the mean value of each feature
	mu = mean(X_norm);
	%	Compute the standard deviation of each feature
	sigma = std(X_norm);
	%	Normalize each feature
	for i = 1:size(X, 2)
		X_norm(:,i) -= mu(i);
		X_norm(:,i) /= sigma(i);
	end;
end
